NASA Public Affairs Officer Felicia Chou moderates a TRAPPIST-1 planets briefing at the NASA Headquarters February 22, 2017 in Washington, DC. Researchers revealed the first known system of seven Earth-size planets around a single star called TRAPPIST-1.

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NASA Photo / Alamy Stock PhotoImage ID:
HT4KEFFile size:
62 MB (1.6 MB Compressed download)Releases:
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4209 x 5150 px | 35.6 x 43.6 cm | 14 x 17.2 inches | 300dpiDate taken:
22 February 2017Location:
Washington, DCMore information:
This image could have imperfections as it’s either historical or reportage.
NASA Public Affairs Officer Felicia Chou moderates a TRAPPIST-1 planets briefing at the NASA Headquarters February 22, 2017 in Washington, DC. Researchers revealed the first known system of seven Earth-size planets around a single star called TRAPPIST-1.